A wave is a vibration in A) space. B) time. C) both of these D) none of the ...

Author Question: A wave is a vibration in A) space. B) time. C) both of these D) none of the ... (Read 84 times)

NguyenJ

Hero Member
Posts: 516

on: Jul 29, 2018

A wave is a vibration in

A) space.
B) time.
C) both of these
D) none of the above

Question 2

When an unstable nucleus decays by emitting an alpha particle, the atomic mass number A of the nucleus

A) increases by 4.
B) increases by 2.
C) decreases by 2.
D) decreases by 4.
E) remains unchanged.

peter

Sr. Member
Posts: 330

Reply #1 on: Jul 29, 2018

Answer to Question 1

Answer: C

Answer to Question 2

D

Need homework help now?

Ask unlimited questions for free

Ask a Question

« previous next »

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.